#include <stdio.h>


void foo(void) { 
    unsigned int a = 6; 
    int b = -20; 
    (a+b >6) ? puts(">6") : puts("<6"); 
}


int main(void)
{

    unsigned int a = 0, c = 0;
    do{
        --c;
        a = a - 1;
    }while(a > 0);
    printf("c = %d\n",c);
    foo();
    return 0;
}

